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USB device drivers: Add hooks to to use common, external DMA buffer allocation implementation..

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@5142 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2012-09-13 14:14:18 +00:00
parent a033a25dbf
commit f6ca2227e3
144 changed files with 538 additions and 356 deletions
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nuttx/arch/avr/src/at90usb/at90usb_usbdev.c
+16 -5
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@@ -313,7 +313,7 @@ static int avr_epdisable(FAR struct usbdev_ep_s *ep);
static FAR struct usbdev_req_s *avr_epallocreq(FAR struct usbdev_ep_s *ep);
static void avr_epfreereq(FAR struct usbdev_ep_s *ep,
FAR struct usbdev_req_s *);
#ifdef CONFIG_ARCH_USBDEV_DMA
#ifdef CONFIG_USBDEV_DMA
static void *avr_epallocbuffer(FAR struct usbdev_ep_s *ep, unsigned bytes);
static void avr_epfreebuffer(FAR struct usbdev_ep_s *ep, FAR void *buf);
#endif
@@ -346,7 +346,7 @@ static const struct usbdev_epops_s g_epops =
.disable = avr_epdisable,
.allocreq = avr_epallocreq,
.freereq = avr_epfreereq,
#ifdef CONFIG_ARCH_USBDEV_DMA
#ifdef CONFIG_USBDEV_DMA
.allocbuffer = avr_epallocbuffer,
.freebuffer = avr_epfreebuffer,
#endif
@@ -2314,11 +2314,17 @@ static void avr_epfreereq(FAR struct usbdev_ep_s *ep,
*
*******************************************************************************/
#ifdef CONFIG_ARCH_USBDEV_DMA
#ifdef CONFIG_USBDEV_DMA
static void *avr_epallocbuffer(FAR struct usbdev_ep_s *ep, unsigned bytes)
{
usbtrace(TRACE_EPALLOCBUFFER, privep->ep.eplog);
return malloc(bytes)}
#ifdef CONFIG_USBDEV_DMAMEMORY
return usbdev_dma_alloc(bytes);
#else
return malloc(bytes);
#endif
}
#endif
/*******************************************************************************
@@ -2329,11 +2335,16 @@ static void *avr_epallocbuffer(FAR struct usbdev_ep_s *ep, unsigned bytes)
*
*******************************************************************************/
#ifdef CONFIG_ARCH_USBDEV_DMA
#ifdef CONFIG_USBDEV_DMA
static void avr_epfreebuffer(FAR struct usbdev_ep_s *ep, FAR void *buf)
{
usbtrace(TRACE_EPFREEBUFFER, privep->ep.eplog);
#ifdef CONFIG_USBDEV_DMAMEMORY
usbdev_dma_free(buf);
#else
free(buf);
#endif
}
#endif